SOLICITATION_W911N2-18-R-0020-0004.pdf

SHAUN LEATHERMAN

LETTERKENNY CONTRACTING OFFICE

1 OVERCASH AVENUE CCAM-ALK

717-267-5536

CHAMBERSBURG PA 17201-4150

W25G1Q810701DF

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The purpose of this amendment is to add and revise the follow ing for the w ater blast solicitation:

1. Purchase Description (PD) revised (see follow ing points of change) Water blast is now in 320, No rider platforms (booth w ill not be w ide enough), Concrete w ork is now for trenches and sump cutting and forming, Boiler room demo and construction to create an equipment room, Addition of a steam cleaner/pressure w asher combo unit, New booth sizing to f it 320 line 3

2. Construction clauses, and w age rate incorporated 3. Site Visit incorporated. 4. Closing/response date revised. 5. Attachement A & B included (draw ings) 6. Vendor questions and answ ers attached.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 24

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 26-Jun-2018

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W911N218R0020

X 9B. DATED (SEE ITEM 11)

07-May-2018

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer X is extended, is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

26-Jun-2018

CODE

LETTERKENNY ARMY DEPOT

LETTERKENNY CONTRACTING OFFICE - ACC

1 OVERCASH AVENUE, ATTN: CCAM-ALK, BLDG 2S

CHAMBERSBURG PA 17201-4150

W911N2 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE W911N2

FACILITY CODECODE

EMAIL:TEL:

W911N218R0020

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

PD FINAL REV 1

LETTERKENNY ARMY DEPOT

PURCHASE DESCRIPTION

WATER BLAST/ WASH BOOTH - BLDG 320

1.0 GENERAL

1.1 SCOPE: This purchase description is for a turnkey operation that shall include fabrication and installation of the following:

containment booth with lighting, personnel doors, and overhead doors ultra-high pressure water blast system (called water blast) heated high pressure washing system (called pressure wash) combination steam and pressure wash unit (called steam/pw hybrid) demolition of cage, boiler and steam lines (to allow for equipment room) demolition of boiler room south wall for equipment room extension of boiler room west wall to enclose the equipment room concrete work for the bay trench and sump trenches wall penetrations from equipment room to booth roof penetrations for steam/pw hybrid exhaust grating for sump trenches and sump pit heated ventilation system with fall protection water recirculation and filtration electronic controls for booth, ventilation, wash system, and blast system sprinklers and alarm system

The project shall be located in building 320. The ultra-high pressure water blast and the high pressure wash will serve as blast and cleaning preparation for final paint operations at 320. The filtration equipment, ventilation system and water blast support equipment shall be located in the equipment room that shall be created by demo and remodeling of the boiler room. Ventilation plenums shall be located in the water-blast/wash rack enclosure. Natural gas heated air makeup shall be located outside the equipment room. The components shall comply with all specifications, standards, and requirements listed in this document. The contractor shall provide all labor and materials for installation of a complete and usable system.

1.2 GENERAL INFORMATION

1.2.1 Place and Performance of Installation: The water blast/wash rack booth shall be located inside building 320 on the south end as specified in attachment A. The project shall include the enclosure, overhead doors, personnel doors, natural gas heated makeup air and exhaust air for ventilation, filtration system, pressure washer, steam/pw hybrid and all necessary water blast equipment. The work shall include all necessary demo, concrete work, wall construction, plumbing, electrical, and controls for a fully operational wash rack – water blast combination booth. All work will be performed between the hours of 6:00 AM and 3:30 PM, Monday through Thursday, exclusive of Federal Holidays and special depot closures (Typically the Monday before or Friday after

Federal Holidays that fall on a Saturday, Sunday, Tuesday or Thursday). Other hours, weekend, and holiday work will be considered separately as requested by the contractor and approved by the Contracting Officer.

1.2.2 Security Requirements: The contractor shall be responsible to ensure that all employees and subcontractor employees that will visit the depot shall comply with applicable installation, facility and area commander installation/facility access and local security policies and procedures (provided by government representative). The contractor shall also provide all information required for background checks to meet installation access requirements to be accomplished by installation Provost Marshal Office, Director of Emergency Services or Security Office.

Contractor workforce shall comply with all personal identity verification requirements as directed by DOD, HQDA and/or local policy. Should the Force Protection Condition (FPCON) change, the Government may require changes in contractor security matters or processes.

1.2.3 Security, Safety, and Fire Protection: All work shall comply with LEAD pamphlet 385-4. The equipment and the installation shall also meet all the safety criteria set forth in OSHA 1926.501 and ANSI/ASSE Z359.

1.2.4 AT Level I Awareness Training: All contractor employees, to include subcontractor employees, requiring access to Army installations, facilities, and controlled access areas shall complete AT Level I awareness training within 30 calendar days after contract start date or effective date of incorporation of this requirement into the contract, whichever is applicable. The contractor shall submit certificates of completion for each affected contractor employee and subcontractor employee to the COR or to the contracting officer, if a COR is not assigned, within 15 calendar days after completion of training by all employees and subcontractor personnel. AT Level I awareness training is available at the following website: www.lead.army.mil.

1.2.5 iWATCH Training: The contractor and all associated sub-contractors with an area of performance within an Army-controlled installation, facilities or area shall brief all employees on the local iWATCH program. This local developed training will be used to inform employees of the types of behavior to watch for and instruct employees to report suspicious activity to the TPOC or contracting officer. This training shall be completed within 30 calendar days of contract award and within 30 calendar days of new employees commencing performance. The contractor shall report completion for each affected contractor employee and subcontractor employee, to the TPOC and contracting officer within 15 calendar days after completion of training. iWATCH training is available on the Letterkenny Army Depot homepage – www.lead.army.mil

1.2.6 OPSEC Training: Per AR 530-1, Operations Security. Contractor employees and associated sub-contractor employees shall complete Level I OPSEC training within 30 calendar days of their reporting for duty and annually thereafter. The contractor shall submit certificates of completion for each affected contractor employee and subcontractor employee, to the COR or to the contracting officer if a COR is not assigned, within 15 calendar days after completion of training. Level 1 OPSEC training is available on the Letterkenny Army Depot homepage – www.lead.army.mil

1.2.7 Badges: Identification badges will be issued for admittance of personnel before performing work or service on this contract. The identification badge is the property of the US Government and shall be returned upon termination or demand. The contractor/vendor shall ensure all badges issued to employees are returned to the Badge and Identification Section, Security Division, Letterkenny Army Depot promptly on termination of need or on expiration, which occurs first. The badge room is located in Bldg 2, phone # 717-267-5301. Hours of operation are 7:30 AM to 3:30 PM, Monday thru Thursday, exclusive of Federal Holidays.

2.0 Government Furnished property and Materials: The government will provide the facilities, equipment, materials and/or services listed below

2.1. Facilities: The government will provide clear access to all working areas necessary for the contractor to perform the installation outlined, during the hours listed in section 1.2.1 above

2.2. Equipment:

2.2.1. Building 320 where the booth and equipment room will be located on the south end of the building.

2.2.2. Electrical and compressed air hookups will be available for tools needed by the contractor during installation.

2.2.3. Water, natural gas, electrical, and compressed air will be available to connect utilities to the all components of the water blast/pressure wash booth and assorted supporting systems.

2.2.4. The delivered natural gas pressure is 2 psig.

2.3. Materials/Services:

2.3.1. Provide a single point of connection for power and compressed air within 25 feet of the mixing room.

Power will be provided via a fused disconnect switch.

2.3.2. The Government will provide a connection point within 25’ for the interface between the water blast/wash rack containment room sprinklers, strobe, alarm, etc. and the Government’s fire alarm control panel.

2.3.3. Provide electricity and compressed air for vendor hand tools.

2.3.4. Provide space to layout out supplies, tools, etc. needed to complete the project.

3.0 Contractor Responsibilities: The contractor shall be responsible for the following:

3.1. Provide a summary of the required utilities and general layout 60 days prior to the equipment delivery, and the detailed installation requirements (to include installation schematics and installation schedule) 30 days prior to equipment delivery.

3.2. Supply all equipment, parts, labor and materials necessary for off-loading, positioning, installation and operation of the system.

3.3. Supply all materials, parts, and labor for the cutting of the concrete and forming of trenches and sump area for the system. Provide grating to cover the collection trenches and the sump.

3.4. Demolition of walls, oil tank, boiler, steam lines, and supporting equipment to make room for system equipment described in this spec.

3.5. Completion of a new wall where cage wall exists now to complete the system equipment room.

3.6. Exhaust fan/duct for DST office a/c outlet in equipment room. See attachment A.

3.7. Ensure that all welding is performed in accordance with AWS D1.1.

3.8. Ensure that all plumbing follows the applicable codes for ASME B31.3 process piping.

3.9. The natural gas hard supply piping/exhaust piping shall be designed, fabricated, and installed in accordance with NFPA 54.

3.10. Ensure that the electrical installation is performed in accordance with the National Electrical Code. All electrical work shall be subject to inspection by LEAD electricians.

3.11. Electrical equipment and devices must meet OSHA requirements for grounding, rating, and listing by a recognized testing laboratory (such as UL), and for conformity to the applicable provisions of the latest edition (at the contract award date) of NEMA ICS 6, and C12.1 and the National Electrical Code.

3.12. Contractor shall make final connection to a government installed disconnect switch located within 25 feet of the Water blast/wash rack control panel. Supplied voltage will be 480 Volt, 3-phase, 3-wire with a separate equipment grounding conductor. Contractor shall provide any transformation to other required voltages.

3.13. All utility (air, water, natural gas, electric) connections shall be coordinated through the Letterkenny technical point of contact (TPOC) at least 24 hours prior to connection and must be pre-approved by Depot DPW, safety, and/or fire department personnel where appropriate.

3.14. Hot work permits when required shall be coordinated through the Letterkenny TPOC at least 24 hours prior to work initiation and shall be pre-approved by Depot safety and/or fire department personnel where required.

3.15. Remove all excess equipment, shipping crates, scrap and consumable materials used by the contractor for shipment and installation of the room.

3.16. The contractor shall supply no fewer than two of each special tool required to service the room and its components.

3.17. The contractor shall be responsible for obtaining site/equipment measurements and dimensions. Any dimensions provided by government personnel shall be considered approximate and shall not be used for design purposes. Failure of the contractor to acquaint themselves with conditions attending the work site will not be considered sufficient reason for changing the cost or performance schedule of this project.

3.18. The contractor shall connect the sprinkler system from the water blast booth to the building sprinkler/alarm system. They shall also connect their strobe light/audible unit and alarm initiating relays to the building emergency system tie in provided by LEAD. The relays shall be alarm initiating and notification /shutdown modules.

3.19. The contractor shall coordinate all roof and wall penetrations with the TPOC. No structural members shall be removed or modified to make penetrations. All penetrations shall be sealed with a material acceptable for use in an industrial environment.

3.20. Training shall be provided for all equipment installed or modified within this purchase description. Separate training shall be provided for production personnel and for maintenance staff.

4.0 SPECIFICATIONS

4.1. Performance Specifications

4.1.1. Three systems shall be supplied and installed for use within the containment booth and wash bay area.

4.1.1.1. A heated high pressure system shall be installed that shall be called “pressure wash” or “pressure washer” throughout this spec.

4.1.1.2. An ultra-high pressure water blast system shall be installed that shall be call “water blast” throughout this spec.

4.1.1.3. A hybrid pressure wash/steam cleaner combination unit shall be installed that shall called “hybrid steam cleaner” throughout this spec.

4.1.2. Pressure Wash System

4.1.2.1. The pressure wash system shall be able to wash parts or assets with a supplied hot water pressure washer.

The heating range should be 100°F to 200°F.

4.1.2.2. The pressure washer shall be capable of handling 4.0 gallons per minute at 3,000 psi or greater.

4.1.2.3. The pressure washer shall be installed in the equipment room with a hose and pressure wash gun located in the containment booth. (See attachment A).

4.1.3. Water Blast System

4.1.3.1. The water blast system shall be able to blast utilizing water only or water with various types of blast media that include but not limited to baking soda, glass, garnet, aluminum oxide, start blast, etc.

4.1.3.2. The water blast system shall be able to blast at pressures from 10,000 psi to 40,000 psi. The system shall be capable of 3.5 gallons per minute or greater at a maximum pressure of 40,000 psi.

4.1.3.3. Chemical injection system for adding rust inhibitor during water blast.

4.1.4. Hybrid Steam Clean System

4.1.4.1. The hybrid steam cleaner shall be a stand-alone unit installed between wash bay 1 and 2 (see attachment B)

4.1.4.2. The unit shall be natural gas heated.

4.1.4.3. The unit shall be rated for continuous use operation with a minimum of 16 hours per day, 5 days per week.

4.1.4.4. Heater response time minimum rating (from inlet cold water to 200 degrees F hot water outlet or from inlet cold water to 300 degrees F steam outlet or greater) shall be no longer than a 5 minute delay.

4.1.4.5. Steam cleaning component shall be capable of handling up to 30 minutes of continuous cleaning.

4.1.4.6. The unit shall be designed for easy access steam cleaning in bay 1 or in bay 2 but not in both bays at the same time (see attachment B).

4.1.5. Concrete Work

4.1.5.1. A central trench and a transverse trench that feeds the sump shall be cut and formed into the existing wash bay floor. See attachment A.

4.1.5.2. The grade in the trenches shall be designed based on continuous system flow as required for water blast or pressure washing for optimal flow to the sump. See attachment A.

4.1.5.3. The concrete work performed on the wash bay floor and the equipment room sump shall be in accordance with ASTM C39/C 39M.

4.1.5.4. The concrete shall have a minimum compressive strength of 4,000 psi at 28 days.

4.1.5.5. Grating over trenches and the sump formed during concrete work shall have a minimum load bearing status of 10,000 lbs/sq. ft.

4.1.5.6. Gratings over trenches and sump shall be flush with the concrete floor and removable for maintenance.

4.1.6. Equipment Room

4.1.6.1. The equipment room shall be modified from its current state to enlarge it and remove existing equipment to make room for the system equipment to be installed as part of this purchase description.

4.1.6.2. The wall between the current boiler room and the oil tank cage area shall be removed.

4.1.6.3. The cage wall in front of the oil tank storage room shall be removed.

4.1.6.4. The current boiler, equipment, and steam lines shall be removed.

4.1.6.5. A new wall shall be constructed where the outer cage wall was to complete the new equipment room.

4.1.6.6. An exhaust fan and ductwork shall be added for the a/c exhaust on the adjoining south wall shared with the DS&T office.

4.1.7. Ventilation

4.1.7.1. The ventilation system shall consist of a natural gas heated air makeup unit for supply air, exhaust fans, supply and exhaust plenums in the booth.

4.1.7.2. Cleanable filters and a means of eliminating vapor moisture before exhausting outside.

4.1.7.3. Minimum of 100 CFM across cross section of booth area as per ACGIH, Ventilation Standard VS-80-01 for cross draft abrasive blasting booth to maximize visibility.

4.1.7.4. System shall maintain a negative pressure in the booth of -.05 inches water column that shall be controlled through the main control panel and system fans.

4.1.7.5. Ventilation and heat shall be controlled through the main control panel.

4.1.7.6. Both the supply and exhaust air units shall have fixed ladders and maintenance platforms with ratings that are OSHA compliant for maintenance.

4.1.8. Water Recirculation and Filtration

4.1.8.1. The filtration/ water recirculation system shall be capable of handling water and soap from the pressure washer, blast with water only, or blast with water media.

4.1.8.2. The water for the water blast system shall be a closed loop. Soap from the pressure wash system shall be kept out of the closed loop as part of the process design.

4.1.8.3. The water filtration for the closed loop water blast system shall include a centrifuge process, a flocculation (flocc) process, and a bag filtration process to keep process water in optimal condition.

4.1.9. Containment Booth

4.1.9.1. The booth shall have two overhead doors with electric controls and two personnel doors.

4.1.9.2. The booth shall have overhead and personnel door interlocks that will keep the system from running or shut the system down if doors are opened.

4.1.9.3. The booth shall have multiple locations where e-stops can shut down the blasting or pressure washing process.

4.1.9.4. A minimum of four locations for shutdown shall be provided. These shall located two places in the booth and one location outside the booth on each side personnel door.

4.1.9.5. The booth shall have sprinklers and an emergency notification that will be tied into the buildings alarm system. In addition to the wet sprinkler system, a strobe light and audible alarm shall be included.

4.1.10. The system shall have two control panels. A larger more comprehensive control panel shall be located in the equipment area. A smaller panel shall be located in the containment booth for the water blast operation.

4.1.11. Penetrations for roof and for walls

4.1.11.1. Contractor is responsible for sizing ducts and locating openings to avoid steel structural members, including columns, beams, girts, purlins, diagonal bracing, etc.

4.1.11.2. Contractor shall secure the services of a metal building installer to provide framed openings, flashed and trimmed according to the metal building manufacturer's requirements.

4.1.11.3. Contractor shall be responsible for the cost of additional structural framing, should it be a requirement for any of the openings.

4.1.11.4. Ducted roof penetrations shall include a manufacturer's compatible pre-insulated roof curb, square-to-round cover, storm collar flashing and weathertight seal.

4.1.11.5. Top of curbs shall be level with ground and shall include a full-length cricket on the upside of the curb.

4.1.11.6. Side wall openings for duct penetrations shall be sleeved with a sheet metal liner with exposed edges folded back to form hems.

4.1.11.7. Openings shall be made weathertight with the application of an approved sealant around the perimeter of all penetrations.

4.2. Design Specifications

4.2.1. General

4.2.1.1. The system shall include all required hardware for operation of water blast and pressure washing, a media separation and collection system, and a high solids pump for conveying the water and media.

4.2.1.2. All equipment shall include heavy duty steel frames either with built in fork slots or capable of being moved with a forklift.

4.2.1.3. All equipment shall be painted with durable coatings designed to hold up in a wet environment. The only exception would be stainless steel surfaces that would not receive coatings.

4.2.1.4. The containment booth shall include four compressed air hookups, two hookups on either side of the booth.

4.2.1.5. Drain lines shall be included in the equipment area for sending water from the pressure wash or water blast process to the industrial waste water system. A stub line shall be available for tie in to the Depot industrial waste water system.

4.2.1.6. Water Blast System components are:

a. Water blast unit

b. Media injection unit

c. Blast guns for water only blast and for water blast with media

d. Blast hoses for water only blast and for water blast with media

e. Natural gas heated pressure washer

f. Soap injector unit for pressure washer

g. High pressure hose and gun for pressure washer

h. Primary control panel for system

i. Control panel for system in booth

j. Cyclonic separator

k. Media centrifuge

l. Floccing and filter paper workstation

m. Hi-solids sump pump for water blast

n. Hi-solids sump pump for pressure washer.

o. Floor vacuum with HEPA filtration capable of utilizing a waste drum.

p. Minimum 50 gallon reserve water tank

q. Natural Gas Heated air makeup with filtration

r. Exhaust air unit with filters and moisture control

4.2.1.7. Pressure Washer System components are:

a. Heated pressure washer unit

b. Soap injection capability

c. High pressure hose and gun

d. Hose reel for inside containment booth

e. Hard wired remote setup for hose, gun, and soap dispensing in containment booth.

4.2.1.8. The blast system shall be capable of blast pressure from 10,000 psi to 40,000 psi without changing gun tip.

4.2.1.9. The process equipment shall be housed in the equipment area shown in attachment A.

4.2.1.10. The blast unit and filtration system shall be installed in the area outside of the containment room but inside the building. The equipment will be positioned along the containment room wall within the building (See attachment A).

4.2.1.11. The small control panel and operational hardware (hoses, guns, etc.) shall be installed in the wash rack/blasting area of the booth (see attachment A).

4.2.1.12. The large control panel shall be installed in the equipment storage area shown in attachment A.

4.2.1.13. Installation shall include all mechanical, electrical, plumbing, roof penetrations, etc. Installation shall be considered turnkey so that Letterkenny personnel will be able to begin operation with no additional work.

4.2.1.14. Safety equipment shall be incorporated for servicing any other equipment above four feet in height that requires maintenance. This can be tie off points or rails for attaching safety harnesses where needed.

4.2.1.15. Four complete sets of personal protective gear shall be provided. These shall be complete protective water blast suits including boot covers, coveralls, jacket, and hard hat with drop down shield. Suits shall be made of ballistic materials capable of protecting and operator utilizing industry safety standards.

4.2.2. Water Blast Main Unit

4.2.2.1. A water blast unit shall be rated at a minimum of 70HP, Programmable logic controller (PLC) controlled, and capable of blasting 4.0 gallons/minute of water from one blast gun.

4.2.2.2. The water blast unit shall have a color touch screen monitor capable of adjusting settings at the unit or remotely by the operator using a hard wired remote control panel in the booth. Settings shall include pressure, pump rpm, and pump pressure.

4.2.2.3. The system shall be capable of water blasting in a range of 10k to 40k psi.

4.2.2.4. The blast unit shall have a variable frequency drive (VFD) not a soft starter.

4.2.2.5. The blast unit shall have a two trigger safety feature so that all pressure will be relieved and blasting ceased immediately upon release of either of the gun triggers.

4.2.2.6. The blast unit shall have a safety interlock feature so that if either of two overhead doors or two man doors open during operation, the blasting system will shut down and all blasting will be ceased immediately.

4.2.2.7. The water line shall have a high pressure rupture disc as a safety feature.

4.2.2.8. The water blast unit shall have a PLC which will monitor output pressure and adjust the drive to compensate for changing conditions or tip wear.

4.2.2.9. The control panel shall monitor water levels and monitor make-up water levels for the system with alarms and shutoffs for low water levels.

4.2.2.10. The water blast system shall have a booster pump of at least 1-1/2hp.

4.2.2.11. The system shall have a minimum of a 50 gallon holding tank or another means of maintaining constant pressure at the water blast gun.

4.2.2.12. A water pressure unloader valve is required.

4.2.2.13. The inlet water manifold shall have a pulsation damper.

4.2.2.14. Unit drive technology shall utilize in line, direct drive motor coupling and guard.

4.2.2.15. The system utility requirements shall operate on 480 volt, 60 hertz, and 3 phase.

4.2.3. Water Blast Hose and Gun

4.2.3.1. A rotary gun shall be supplied with a safety shroud for water blasting.

4.2.3.2. An abrasive fan gun shall be supplied with a safety shroud for water blasting with media.

4.2.3.3. A combination ultra-high pressure water hose, air hose, and control cord assembly shall be supplied for blasting with water only.

4.2.3.4. A combination ultra-high pressure (UHP) water hose, air hose, media hose, and control cord assembly shall be supplied for blasting with water and media.

4.2.3.5. The UHP hose for water shall be capable of handling over 100k PSI burst pressure.

4.2.3.6. The rated operating pressure of the UHP hose shall be 40k psi, with test pressure of 60k psi for 30 seconds, and rated at a flow of 4 gallons/minute.

4.2.3.7. The hoses shall come with 3/8” UHP male ends and couplings.

4.2.3.8. The UHP hose shall be reinforced high pressure hose with abrasion covering.

4.2.3.9. The airline shall be 1/2” line rated at 300PSI with male and female quick disconnects.

4.2.3.10. The control cord shall be 16/3 insulated power cord with twist lock male and female plug ends.

4.2.3.11. The media hose shall be 50 feet long, ½” x 2 ply blast hose rated for 150 PSI with a 2 prong coupler on each end. The hose shall be compatible with a large variety of media grades and types.

4.2.4. Water Blast Media Injection System

4.2.4.1. System shall be capable of blasting with water and media or with water only.

4.2.4.2. System shall be capable of blasting with various types of blast media including but not limited to baking soda, glass, garnet, sand, aluminum oxide, etc.

4.2.4.3. The system shall have an air pressure gage for incoming supply air.

4.2.4.4. Pressure pot shall be at least 3.5 cubic foot ASME coded pot. The pot shall have a differential pressure gage, a method to pressurize for optimal media flow, and a reliable means of depressurizing the pot as needed.

4.2.4.5. Abrasive flow rate shall be adjustable and capable of flow rates between 0.5 and 5.0 pounds per minute.

4.2.4.6. Media feed system shall be capable of feeding abrasive up to 200 feet vertically and 300 feet horizontally.

4.2.4.7. System shall be capable of providing multiple and adjustable spray patterns (i.e. wider or narrower fan pattern for spray).

4.2.4.8. System shall be capable of injecting a rust inhibitor while spraying water with media or water without media.

4.2.4.9. System shall have a bleed air regulator to allow for a media purge to avoid water mixing with media.

4.2.4.10. System shall have the capability of spraying the media in a fan pattern with variability of media/spray utilizing the gun’s trigger.

4.2.4.11. Media injection head shall be designed utilizing metals with special alloys and (or) special hardening procedures to insure optimal operational lifetime.

4.2.5. Water Treatment/Media Recovery – For Water Blast

4.2.5.1. Three stage filtration shall be required with a primary filter at 10 micron, a secondary filter at 2 micron, and a 2 micron final pump filter.

4.2.5.2. A filter paper final stage filtration unit shall treat the water with floc agent and clean all remaining solids.

4.2.5.3. The water blast sump pump for filtration shall be rated for a minimum of 10HP, severe service, high-efficiency motor with VFD and solid state motor starter.

4.2.5.4. The pressure wash sump pump for filtration shall be rated for a minimum of 5 HP, severe service, high-efficiency motor with VFD and solid state motor starter.

4.2.5.5. The sump system shall have two strainers. One is a strainer basket that shall be located on the top of the sump pit. The second is a strainer shall be located in the output line going to the floor wash.

a. Strainer basket has 3/16” square openings.

b. Second strainer has standard screen perforations of 1/32”.

c. The second strainer shall have an inlet and outlet that are twice the diameter of the hose (1-1/2” minimum hose with 3” minimum openings)

4.2.5.6. Both sump pumps shall have the following safety features

a. Low pump inlet water pressure lamp and shutdown.

b. Low reserve water tank level lamp and shutdown.

c. Dirty water filter lamp and shutdown

d. Low pump crankcase oil level lamp and shutdown

e. High pump crankcase oil level lamp and shutdown

f. Incoming power fault lamp and shutdown

g. Soft starter fault lamp and shutdown.

4.2.5.7. Both sump pumps shall be capable of passing solids up to 3/4”.

4.2.5.8. The pressure washer sump pump shall have the following specifications.

a. 230v 3phase 60Hz

b. Minimum 5HP rating

c. Minimum 3450RPM rating

d. NEMA 4X rating

e. Aluminum alloy (356T6 or comparable)

f. Silicon carbide seals

g. 17-4Potential of Hydrogen PH heat treated, Vortex type impeller

h. Hardened cast iron volute

i. 17-4 PH heat treated agitator

j. 416 Stainless Steel (SS) rotator shaft

4.2.5.9. The water blast sump pump shall have the following specifications.

b. Minimum 10HP rating

c. Minimum 3450RPM rating

d. NEMA 4X rating

e. Aluminum alloy (356T6 or comparable)

f. Silicon carbide seals

g. 17-4 PH heat treated, Vortex type impeller

h. Hardened cast iron volute

j. 416 SS rotator shaft

4.2.5.10. Pumps shall be a piston design and not belt driven.

4.2.5.11. Pump design shall be maintenance friendly to allow for each cylinder to be an independent setup capable of being serviced without taking apart the entire pump.

4.2.5.12. Discharge valves shall be accessible without removing/taking apart the entire head.

4.2.5.13. Pump maintenance to cylinders, discharge valves, etc. shall be compartmentalized so that service can be performed without requiring lifting or supporting devices.

4.2.5.14. All piping connecting pumps, tanks, etc. shall be schedule 80 PVC or better.

4.2.6. Pressure Washer System

4.2.6.1. The pressure washer (pw) shall utilize natural gas for heat.

4.2.6.2. The pw shall be able to achieve 4gpm at 3,000psi.

4.2.6.3. The pw shall include controls on the unit which will be hosed in the equipment area as well as controls for in the wash bay area.

4.2.6.4. The pw setup in the wash bay shall include a hose reel and remote controls for washing with or without soap.

4.2.6.5. The pressure washer shall include a high pressure gun/wand with insulated grip and quick disconnects.

This shall be setup for operation in the wash bay.

4.2.6.6. The pressure washer shall include a high pressure hose of at least 50 feet in length also with quick disconnects.

4.2.6.7. The pressure washer shall include an adjustable thermostat, safety pressure relief valve, and hour meter.

4.2.6.8. The unit shall include a soap solenoid with controls for adding soap during operation along with controls for soap on the unit and also in the containment booth.

4.2.6.9. The pressure washer sump pump shall have the following specifications.

b. Minimum 5HP rating

c. Minimum 3450RPM rating

d. NEMA 4X rating

e. Aluminum alloy (356T6 or comparable)

f. Silicon carbide seals

g. 17-4 PH heat treated, Vortex type impeller

h. Hardened cast iron volute

j. 416 SS rotator shaft

4.2.7. Electronic Controls

4.2.7.1. There shall be at least three control panels that run and/or assist in running the system.

a. The main control panel shall be located outside the containment booth and shall be capable of interfacing with all components of the system.

b. The hard wired remote control panel shall be located inside the containment booth and capable of operating the blast equipment.

c. The water blast unit shall have a control touch screen capable of operating the blast system and high pressure pump.

4.2.7.2. The electrical panel shall have 125 amp circuit breaker and remote E-Stop capable of stopping the entire booth system as well as the water blaster.

4.2.7.3. The main control panel shall have a main control panel, utilizing one or more PLC’s, with graphic display and minimum 10” touch screen displaying key processes, controlling blasting, fluid process flow, filtration, ventilation, and lighting. The main control panel shall include at minimum the primary functions listed below.

Further control panel functions may be necessary to insure system performance and efficiency:

a. Process flow for entire system

b. Ventilation flow for entire system

c. Blast operation settings, start, and stop controls.

d. Tank levels (sump pit, dirty tank, clean tank, and holding tank)

e. Booth lights

f. Heated makeup fan operation/status

g. Exhaust fan operation/status

h. Monitor static pressure with regard to supplied air and exhaust air

i. Pump operation/status (HP pump, transfer pump, floor feed pump, and booster pump)

j. Loop filter restrictions

k. Digitally displayed gages for high pressure filter differential, air supply, and water level.

l. Programmable maintenance mode.

m. Machine hours

n. Number of HP pump motor starts

o. Pressure sensors and open door sensor status.

p. Water and air processing system overviews/status.

q. All system faults

r. Interactive system fault troubleshooting

s. Password protection

4.2.7.4. The booth shall have a hard wired remote control panel tied to the main PLC control panel, as well as running the blast unit from the wash bay without the need to access the main panel.

4.2.7.5. The hard wired remote control shall be a graphic display with a touch screen panel capable of showing the status or controlling the following:

a. Pumps and pressure sensors

b. Open door sensors

c. Tank levels

d. Exhaust levels

e. Booth lights

f. Status and control of heat air make-up air unit

g. Alarms for pressure levels, water levels, ventilation

h. On and off control for the system and components

4.2.7.6. The system booster pump shall utilize a VFD and voltage transformer.

4.2.7.7. A fault banner shall be used to display system anomalies. Internet updates and diagnostics from a remote sight shall be capabilities of the main control panel.

4.2.7.8. The system shall allow the fault banner to be highlighted/activated so that the fault action requirements are displayed along with repair actions, parts, etc.

4.2.7.9. Separate circuit breakers for safety and control circuits shall be utilized.

4.2.7.10. The system shall be capable of handling a waste water treatment and recirculation option at a later date.

4.2.7.11. The system shall be capable of an automatic system shutdown for system overflow. The system shall have the capability of programming additional auto shutdowns based on customer requirements utilizing existing system sensors or pressure gages.

4.2.7.12. The system shall have four interlocks tied to 2 overhead doors and 2 man doors such that if any door opens during operation, all blasting will cease immediately.

4.2.8. Ventilation System

4.2.8.1. Heated air makeup

a. Heating system shall be direct fired natural gas heat

b. Heating unit and fan operations shall be tied into the main control panel.

c. Makeup air shall have wire mesh filtration in booth.

d. Control shall be tied to main electronic control panel.

4.2.8.3. Exhaust system

a. Exhaust system shall have a system component to remove water vapor prior to exhausting outside.

b. Exhaust fan unit operation shall be tied into the main control panel.

c. Wire mesh filtration shall be required in the booth.

d. Control shall be tied to main electronic control panel.

e. Three stage moisture elimination shall be part of the exhaust system.

1. Stage one is the wire mesh filtration.

2. Stage two is PVC drift eliminators.

3. Stage three is moisture eliminating baffles.

4.2.9. Vacuum System

4.2.9.1. A wet/dry heavy duty vacuum unit shall be supplied for media cleanup in the bay outside of the sump.

4.2.9.2. The vacuum unit shall have the following specifications:

a. HEPA filtration

b. Air inlet hose size of ¾” NPT

c. Minimum compressor size of 15 HP

d. Incoming airline pressure of 100psig

e. Utilizing a minimum 55 gallon drum of waste collector.

f. Unit shall come with a wheeled dolly with heavy duty wheels for mobility.

4.2.10. Containment Room Specifications

4.2.10.1 Sound deadening foam shall be used on the containment room walls and ceiling.

4.2.10.2 20 GA stainless steel shall be used on the bottom 6’ of the inside containment walls in the blasting area.

4.2.10.3 Minimum of 3” sound deadening foam center with aluminum sides for walls and 6” of sound deadening foam center with aluminum sides for the ceiling shall be the minimum amount utilized on the enclosure.

4.2.10.4 With the exception of the stainless steel on the inside containment area, all aluminum on the walls shall be painted white with a water resistant coating.

4.2.10.5 Booth size shall not exceed 20’ wide x 46’ long x 20’high for outside dimensions, including the support structure.

4.2.10.6 Booth inside dimensions shall be a minimum of 18’ wide x 45’ long x 18’ high.

4.2.10.7 .A minimum of 70 foot candles of illumination shall be provided throughout the wash rack/blast area, the equipment area, and the walk way.

4.2.10.8 The booth shall be drive through with two roll up overhead doors on both ends and two personnel doors, one on each side.

4.2.10.9 One E-stop will be located next to each personnel door.

4.2.10.10 Roll up overhead doors are to be a minimum of 12’ wide x 14’ high openings with automatic doors.

4.2.10.11 Painted tubular steel for overhead doors and fan supports.

4.2.10.12 Personnel doors shall be aluminum painted with glass panels.

4.2.10.13 Supply and exhaust filter frames shall be of galvanized steel.

4.2.10.14 Shall have a safety railing on top for maintenance fall protection.

4.2.11 Hybrid Steam Clean System

4.2.11.1 Overall dimensions of the new units each shall not exceed: 66 inches wide x 48 inches deep x 96 inches high. The new units shall be self-contained with integral controls.

4.2.11.2 The new units shall be non-portable, skid mounted or have a built-in stand (no transport wheels) and securely fastened or installed per manufacturer recommendations. The frame finish shall be painted or coated to prevent corrosion.

4.2.11.3 Stainless steel or non-corrosive material for float tank with cover shall be provided.

4.2.11.4 The motor size shall be 6HP or greater

4.2.11.5 The equipment shall be equipped with a shut-off timer to turn off the machine in the event the machine is left on or unattended. The equipment shall have control measures (i.e. reliefs/valves/switches) to protect it from excessive pressure and thermal damage. The pump shall be rated to provide and handle the appropriate flow/pressure/temperature performance specification of new unit.

4.2.11.6 Heating method shall be a natural gas fired Burner 300,000 BTU or greater.

4.2.11.7 A draft diverter shall be built-in to unit or installed in exhaust vent piping directly above unit.

4.2.11.8 When a hot water setting is selected, the pressure wand shall have a water discharge of 4GPM and 2,700-3,300 PSI (with variable flow/pressure control) with a temperature rise 140 degrees Fahrenheit or greater (i.e.

60 inlet and 200 degrees Fahrenheit hot water outlet water temperature).

4.2.11.9 When a steam setting is selected, the pressure wand shall have a steam discharge of 1-3 GPM, 100-600 PSI, and 300-350 degrees Fahrenheit steam outlet temperature. The hoses, wands, and nozzle tips ratings shall be included and appropriate for cold/hot water or steam flow/pressure/temperature performance.

4.2.11.10 A single barrel wand, 3 feet or longer length, flow/ pressure/ temperature rating exceeding performance rating of new unit shall be provided.

4.2.11.11 A nozzle kit including angled tips of 0, 15, 25, 40, and steam nozzles/tips shall be provided.

4.2.11.12 50 feet of Heavy-duty hose with and flow/pressure/temperature rating exceeding performance rating of new unit shall be provided. Hose shall be rated at no less than 200 percent PSI burst strength.

Hose Reel for 50 feet of hose length attached to unit or permanent install

4.2.11.13 2 feet above finished floor or greater at location determined by the TPOC. The contractor shall provide and install one (1) additional seven (7) foot long factory installed hose reel connector hose instead of the factory provided standard three(3) foot hose to mount hose reel on end opposite the exhaust vent pipe

4.2.11.14 Glycerin-filled temperature and pressure gauges or digital readouts on unit shall be provided.

4.2.11.15 There shall be high pressure detergent/soap metering valve connection for its addition to water/steam before outlet at pressure wand.

4.2.11.16 Contractor shall provide and install combustion/exhaust vent connected to unit and extending through the roof, terminating at least 3 feet higher than any roof line within a 10 ft. radius. The vent pipe shall be properly flashed, sealed, and new curb cap installed to the existing built-up roof. A heat shield shall be provided around the vent pipe for the area around the roof penetration to improve or match as best as possible the existing condition in accordance with NFPA 54 and AGA. The vent piping material shall be 304 stainless steel and have appropriate floor pipe support brackets in accordance with NFPA 54. A protective barrier around each of the unit's exhaust vent pipes shall be provided to prevent human contact with an exposed hot vent pipe when unit has been in operation.

4.3 Safety System Specifications

4.3.1 E-Stops shall be provided at both personnel doors, at the main control panel, and at the water blast unit.

4.3.2 A strobe light and audible alarm shall be included inside the booth and tied into the alarm system.

4.3.3 A wet sprinkler system shall be included inside the booth.

4.3.4 Two relays shall be provided to tie into the sprinkler system and the building alarm system.

4.3.5 A tie in to the building alarm system location shall be provided by Letterkenny within 25 feet of the booth and/or booth equipment.

4.3.6 A shutdown of the water blast and all ventilation shall be incorporated in the system design if the alarm is tripped.

4.3.7 Fall protection shall be included where maintenance is required on system components.

4.3.7.1. Fixed ladders with cages shall be provided for both exhaust fans and for the heated air makeup unit.

4.3.7.2. Platforms with railings shall be provided for the three units covered above.

4.3.7.3. Tie off points or tie on rails shall be incorporated for any locations that require maintenance above 4 feet that are not covered in two statement above.

4.4. Floor/Concrete Specifications for Wash Bay Floor

4.4.1. A stub line to the industrial waste water treatment plant will be provided. All required floor drainage will be connected to this for the equipment area.

4.4.2. Concrete work will consist of cutting and forming trenches for the wash bay trench, transverse trench, and sump pump (see attachment A).

4.4.3. Slope of the trench shall be ¼” per foot. North –South wash bay trench shall slope to the center of the booth where the wash bay trench connects with the transverse trench. The transverse trench shall slope to the sump.

See attachment A.

4.4.4. Demo and removal of all cut concrete and any other material removed during cutting and forming of trenches and sump.

4.4.5. The sump pit shall be installed in the equipment area. See attachment A for location.\

4.4.6. Piping from the sump pump to the equipment room will need to be cut into the floor going to the recirculation system.

4.4.7. Any other plumbing required for the recirculation and filtration system can be under the wash bay floor or mounted on the wash bay walls, ceiling, etc. as long as they do not interfere with any existing or installed equipment.

4.4.8. Concrete requirements:

4.4.8.1. Concrete shall have a minimum compressive strength of 4,000 psi at 28 days unless otherwise indicated.

4.4.8.2. The air content shall be between 4.5 and 6.5 percent with a slump between 2 and 4 inches.

4.4.8.3. The maximum water cement ratio shall be 0.45.

4.4.8.4. Exposed concrete surfaces shall have a light broom finish.

4.4.8.5. Curing to prevent premature drying of concrete shall begin after placement and continue for at least 7 days.

4.4.8.6. A curing/sealing compound complying with ASTM C 309, Type 1, Class A and B, and ASTM C1315, Type 1, Class A shall be applied in accordance with the manufacturer’s instructions and recommendations.

4.4.8.7. During concrete curing it shall be protected from extremes in temperature, freezing, and mechanical damage. If forms are removed prior to the end of the required curing period, the contractor shall ensure that the formed surfaces are properly cured for the remainder of the curing period.

4.4.8.8. Compressive strength testing shall be performed on concrete used to construct the concrete slab on grade in accordance with ASTM C 39/C 39M.

4.4.8.9. Samples for strength tests shall be taken not less than once each shift in which concrete is produced. A minimum of six specimens shall be made in accordance with ASTM C 31/C 31M; two shall be tested 7 days for information and two shall be tested at 28 days for acceptance. The extra two specimens shall be tested if the 28-day test is unsatisfactory. The strength of the concrete will be considered satisfactory if the average strength of the two specimens tested at 28 days is equal to or exceeds the specified compressive strength requirement and no individual specimen tested falls below the required compressive strength by more the 500 psi.

4.4.8.10. Prior to installing new concrete on top of existing concrete surfaces, the existing…